package my.test;

/**
 * Hello world!
 *
 */
public class App {

	public static void main(String[] args) {
		System.out.println("Hello World!");

		Integer a = 1;
		Integer b = 2;
		Integer c = 3;
		Integer d = 3;
		Integer e = 321;
		Integer f = 321;
		Long g = 3L;

		System.out.println(c == d);
		System.out.println(e == f);
		System.out.println(c == (a + b));
		System.out.println(c.equals(a + b));
		System.out.println(g == (a + b));
		System.out.println(g.equals(a + b));

	}
}
